18221866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9871}}^1$

素因数の和:9957

約数の個数: 16

約数和(自身を含む): 29852928

約数和(自身を除く): 11631062

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 9871, 19742, 128323, 256646, 700841, 1401682, 9110933, 18221866]

約数ペア:

[(1, 18221866), (2, 9110933), (13, 1401682), (26, 700841), (71, 256646), (142, 128323), (923, 19742), (1846, 9871)]